add files to run standalone Windows

This commit is contained in:
Nick Fisher
2024-10-12 14:34:42 +11:00
parent e2d11014d0
commit d8a42a4136
3 changed files with 333 additions and 0 deletions

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cmake_minimum_required(VERSION 3.14)
set(PROJECT_NAME "thermion_windows")
project(${PROJECT_NAME} LANGUAGES C CXX)
cmake_policy(VERSION 3.14...3.25)
add_compile_definitions(WGL_USE_BACKING_WINDOW)
add_compile_definitions(UNICODE)
add_library(${PROJECT_NAME} SHARED
# "wgl_context.cpp"
# "backing_window.cpp"
"thermion_window.cpp"
)
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_20)
target_include_directories(${PROJECT_NAME} INTERFACE
"${CMAKE_CURRENT_SOURCE_DIR}/include"
"${CMAKE_SOURCE_DIR}/../../../../thermion_dart/native/include/filament"
"${CMAKE_SOURCE_DIR}/../../../../thermion_dart/native/include"
${CMAKE_CURRENT_SOURCE_DIR}/include
)
target_link_libraries(${PROJECT_NAME} PRIVATE
Shlwapi
opengl32
dwmapi
comctl32
)

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#include "thermion_window.h"
#include <cstdint>
#include <iostream>
#include <chrono>
#include <thread>
#include <Windows.h>
#include <dwmapi.h>
#include <ShObjIdl.h>
#pragma comment(lib, "dwmapi.lib")
#pragma comment(lib, "comctl32.lib")
namespace thermion {
static constexpr auto kClassName = L"THERMION_WINDOW";
static constexpr auto kWindowName = L"thermion_window";
static bool was_window_hidden_due_to_minimize_ = false;
static WPARAM last_wm_size_wparam_ = SIZE_RESTORED;
uint64_t last_thread_time_ = 0;
static constexpr auto kNativeViewPositionAndShowDelay = 300;
typedef enum _WINDOWCOMPOSITIONATTRIB {
WCA_UNDEFINED = 0,
WCA_NCRENDERING_ENABLED = 1,
WCA_NCRENDERING_POLICY = 2,
WCA_TRANSITIONS_FORCEDISABLED = 3,
WCA_ALLOW_NCPAINT = 4,
WCA_CAPTION_BUTTON_BOUNDS = 5,
WCA_NONCLIENT_RTL_LAYOUT = 6,
WCA_FORCE_ICONIC_REPRESENTATION = 7,
WCA_EXTENDED_FRAME_BOUNDS = 8,
WCA_HAS_ICONIC_BITMAP = 9,
WCA_THEME_ATTRIBUTES = 10,
WCA_NCRENDERING_EXILED = 11,
WCA_NCADORNMENTINFO = 12,
WCA_EXCLUDED_FROM_LIVEPREVIEW = 13,
WCA_VIDEO_OVERLAY_ACTIVE = 14,
WCA_FORCE_ACTIVEWINDOW_APPEARANCE = 15,
WCA_DISALLOW_PEEK = 16,
WCA_CLOAK = 17,
WCA_CLOAKED = 18,
WCA_ACCENT_POLICY = 19,
WCA_FREEZE_REPRESENTATION = 20,
WCA_EVER_UNCLOAKED = 21,
WCA_VISUAL_OWNER = 22,
WCA_HOLOGRAPHIC = 23,
WCA_EXCLUDED_FROM_DDA = 24,
WCA_PASSIVEUPDATEMODE = 25,
WCA_USEDARKMODECOLORS = 26,
WCA_LAST = 27
} WINDOWCOMPOSITIONATTRIB;
typedef struct _WINDOWCOMPOSITIONATTRIBDATA {
WINDOWCOMPOSITIONATTRIB Attrib;
PVOID pvData;
SIZE_T cbData;
} WINDOWCOMPOSITIONATTRIBDATA;
typedef enum _ACCENT_STATE {
ACCENT_DISABLED = 0,
ACCENT_ENABLE_GRADIENT = 1,
ACCENT_ENABLE_TRANSPARENTGRADIENT = 2,
ACCENT_ENABLE_BLURBEHIND = 3,
ACCENT_ENABLE_ACRYLICBLURBEHIND = 4,
ACCENT_ENABLE_HOSTBACKDROP = 5,
ACCENT_INVALID_STATE = 6
} ACCENT_STATE;
typedef struct _ACCENT_POLICY {
ACCENT_STATE AccentState;
DWORD AccentFlags;
DWORD GradientColor;
DWORD AnimationId;
} ACCENT_POLICY;
typedef BOOL(WINAPI* _GetWindowCompositionAttribute)(
HWND, WINDOWCOMPOSITIONATTRIBDATA*);
typedef BOOL(WINAPI* _SetWindowCompositionAttribute)(
HWND, WINDOWCOMPOSITIONATTRIBDATA*);
static _SetWindowCompositionAttribute g_set_window_composition_attribute = NULL;
static bool g_set_window_composition_attribute_initialized = false;
typedef LONG NTSTATUS, *PNTSTATUS;
#define STATUS_SUCCESS (0x00000000)
typedef NTSTATUS(WINAPI* RtlGetVersionPtr)(PRTL_OSVERSIONINFOW);
RTL_OSVERSIONINFOW GetWindowsVersion() {
HMODULE hmodule = ::GetModuleHandleW(L"ntdll.dll");
if (hmodule) {
RtlGetVersionPtr rtl_get_version_ptr =
(RtlGetVersionPtr)::GetProcAddress(hmodule, "RtlGetVersion");
if (rtl_get_version_ptr != nullptr) {
RTL_OSVERSIONINFOW rovi = {0};
rovi.dwOSVersionInfoSize = sizeof(rovi);
if (STATUS_SUCCESS == rtl_get_version_ptr(&rovi)) {
return rovi;
}
}
}
RTL_OSVERSIONINFOW rovi = {0};
return rovi;
}
void SetWindowComposition(HWND window, int32_t accent_state,
int32_t gradient_color) {
// TODO: Look for a better available API.
if (GetWindowsVersion().dwBuildNumber >= 18362) {
if (!g_set_window_composition_attribute_initialized) {
auto user32 = ::GetModuleHandleA("user32.dll");
if (user32) {
g_set_window_composition_attribute =
reinterpret_cast<_SetWindowCompositionAttribute>(
::GetProcAddress(user32, "SetWindowCompositionAttribute"));
if (g_set_window_composition_attribute) {
g_set_window_composition_attribute_initialized = true;
}
}
}
ACCENT_POLICY accent = {static_cast<ACCENT_STATE>(accent_state), 2,
static_cast<DWORD>(gradient_color), 0};
WINDOWCOMPOSITIONATTRIBDATA data;
data.Attrib = WCA_ACCENT_POLICY;
data.pvData = &accent;
data.cbData = sizeof(accent);
g_set_window_composition_attribute(window, &data);
}
}
LRESULT CALLBACK FilamentWindowProc(HWND const window, UINT const message,
WPARAM const wparam,
LPARAM const lparam) noexcept {
switch (message) {
std::cout << message <<std::endl;
case WM_MOUSEMOVE: {
TRACKMOUSEEVENT event;
event.cbSize = sizeof(event);
event.hwndTrack = window;
event.dwFlags = TME_HOVER;
event.dwHoverTime = 200;
auto user_data = ::GetWindowLongPtr(window, GWLP_USERDATA);
if (user_data) {
HWND flutterRootWindow = reinterpret_cast<HWND>(user_data);
::SetForegroundWindow(flutterRootWindow);
LONG ex_style = ::GetWindowLong(flutterRootWindow, GWL_EXSTYLE);
ex_style &= ~(WS_EX_TRANSPARENT | WS_EX_LAYERED);
::SetWindowLong(flutterRootWindow, GWL_EXSTYLE, ex_style);
}
break;
}
case WM_ERASEBKGND: {
HDC hdc = (HDC)wparam;
RECT rect;
GetClientRect(window, &rect);
// Get the ThermionWindow instance associated with this window
ThermionWindow* thermionWindow = reinterpret_cast<ThermionWindow*>(
GetWindowLongPtr(window, GWLP_USERDATA));
if (thermionWindow) {
HBRUSH brush = CreateSolidBrush(RGB(0, 0, 255));
FillRect(hdc, &rect, brush);
DeleteObject(brush);
}
break;
}
case WM_SIZE:
break;
case WM_MOVE:
case WM_MOVING:
case WM_ACTIVATE:
case WM_WINDOWPOSCHANGED: {
// NativeViewCore::GetInstance()->SetHitTestBehavior(0);
auto user_data = ::GetWindowLongPtr(window, GWLP_USERDATA);
if (user_data) {
HWND flutterRootWindow = reinterpret_cast<HWND>(user_data);
::SetForegroundWindow(flutterRootWindow);
// NativeViewCore::GetInstance()->SetHitTestBehavior(0);
LONG ex_style = ::GetWindowLong(flutterRootWindow, GWL_EXSTYLE);
ex_style &= ~(WS_EX_TRANSPARENT | WS_EX_LAYERED);
::SetWindowLong(flutterRootWindow, GWL_EXSTYLE, ex_style);
}
break;
}
default:
break;
}
return ::DefWindowProc(window, message, wparam, lparam);
}
ThermionWindow::ThermionWindow(int width,
int height,
int left,
int top) : _width(width), _height(height), _left(left), _top(top) {
// create the HWND for Filament
auto window_class = WNDCLASSEX{};
::SecureZeroMemory(&window_class, sizeof(window_class));
window_class.cbSize = sizeof(window_class);
window_class.style = CS_HREDRAW | CS_VREDRAW;
window_class.lpfnWndProc = FilamentWindowProc;
window_class.hInstance = 0;
window_class.lpszClassName = kClassName;
window_class.hCursor = ::LoadCursorW(nullptr, IDC_ARROW);
window_class.hbrBackground = ::CreateSolidBrush(RGB(0,255,0));
::RegisterClassExW(&window_class);
_windowHandle = ::CreateWindow(kClassName, kWindowName, WS_OVERLAPPEDWINDOW,
0, 0, _width, _height, nullptr,
nullptr, GetModuleHandle(nullptr), nullptr);
// Disable DWM animations
auto disable_window_transitions = TRUE;
DwmSetWindowAttribute(_windowHandle, DWMWA_TRANSITIONS_FORCEDISABLED,
&disable_window_transitions,
sizeof(disable_window_transitions));
auto style = ::GetWindowLong(_windowHandle, GWL_STYLE);
style &= ~(WS_CAPTION | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX |
WS_EX_APPWINDOW);
::SetWindowLong(_windowHandle, GWL_STYLE, style);
// // remove taskbar entry for the window we created
// ITaskbarList3* taskbar = nullptr;
// ::CoCreateInstance(CLSID_TaskbarList, 0, CLSCTX_INPROC_SERVER,
// IID_PPV_ARGS(&taskbar));
// taskbar->DeleteTab(_windowHandle);
// taskbar->Release();
::ShowWindow(_windowHandle, SW_SHOW);
UpdateWindow(_windowHandle);
}
void ThermionWindow::Resize(int width, int height, int left, int top) {
_width = width;
_height = height;
_left = left;
_top = top;
}
HWND ThermionWindow::GetHandle() { return _windowHandle; }
} // namespace thermion_flutter

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#pragma once
#ifdef _WIN32
#ifdef IS_DLL
#define EMSCRIPTEN_KEEPALIVE __declspec(dllimport)
#else
#define EMSCRIPTEN_KEEPALIVE __declspec(dllexport)
#endif
#include <cstdint>
#include <iostream>
#include <Windows.h>
namespace thermion {
///
/// Instantiating a ThermionWindow creates a HWND that can be passed
/// to Filament to create a swapchain.
///
///
class ThermionWindow {
public:
ThermionWindow(
int width,
int height,
int left,
int top);
HWND GetHandle();
void Resize(int width, int height, int left, int top);
private:
HWND _windowHandle;
uint32_t _width = 0;
uint32_t _height = 0;
uint32_t _left = 0;
uint32_t _top = 0;
};
static ThermionWindow* _window;
extern "C" {
EMSCRIPTEN_KEEPALIVE intptr_t create_thermion_window(int width, int height, int left, int top) {
_window = new ThermionWindow(width, height, left, top);
return (intptr_t)_window->GetHandle();
}
EMSCRIPTEN_KEEPALIVE void update() {
MSG msg;
if(GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
}
}
#endif